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Finding the Fourth Proportional to 60,915.52, 84,064 and 35,765.44

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Solution

The fourth proportional to 60,915.52, 84,064 and 35,765.44 is: 49,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,915.52 : 84,064 = 35,765.44 : x
  2. Step 2: Convert to fraction form
    60,915.52/84,064 = 35,765.44/x
  3. Step 3: Cross multiply
    60,915.52x = 84,064 × 35,765.44
  4. Step 4: Simplify right side
    60,915.52x = 3,006,585,948.16
  5. Step 5: Solve for x
    x = 3,006,585,948.16/60,915.52
  6. Step 6: Final answer
    x = 49,356.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.